/*
 *  Copyright 2016-2024 Qameta Software Inc
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package io.qameta.allure.tree;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;

/**
 * @author charlie (Dmitry Baev).
 */
public class DefaultTreeLayer implements TreeLayer {

    private final List<String> groupNames;

    public DefaultTreeLayer(final String... groupNames) {
        this(Arrays.asList(groupNames));
    }

    public DefaultTreeLayer(final Collection<String> groupNames) {
        this.groupNames = new ArrayList<>(groupNames);
    }

    @Override
    public List<String> getGroupNames() {
        return Collections.unmodifiableList(groupNames);
    }
}
